Support rack for use in a pizza carton



FIG. 1 is a side perspective view of a support rack for use in a pizza carton showing my new design;

FIG. 2 is a top plan view of a support rack for use in a pizza carton of FIG. 1;

FIG. 3 is an end elevational view of a support rack for use in a pizza carton of FIG. 1, and

FIG. 4 is a side elevational view of a support rack for use in a pizza carton of FIG. 1. 

The ornamental design for a support rack for use in a pizza carton, as shown. 